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Kevin Pan vs Ivans Mjatezs
World Cadets U12 (2016), Batumi GEO, rd 1, Oct-19
Spanish Game: Steinitz Defense (C62)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
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Jan-23-17  agb2002: White has a queen and a bishop for a rook and a knight.

White delivers mate in two with either 30.Qxh7+ Kxh7 31.Rh5# or 30.Rh5 gxh5 (30... Rg7 31.Qxg7#) 31.Qxh7#.

Jan-23-17  AlicesKnight: With Q for R almost anything sensible wins for W long-term, but two sacrifices are quickest here.

1]. 30.Rh5. If.... gxf5, 31.Qxh7 is still mate because the B covers the Q

2]. 30.Qxh7+ Kxh7; 31.Rh5 is mate because the B pins the P.

Interesting - White wins by playing 2 moves either way round.... which did he choose? Ah - the grander one. Man of the match goes to the Bishop, though.

Jan-23-17  coolknight: White's f6 covers g7 and the black R blocks g8. The white LSB would pin g6 if the black K was on h7. So force it there with Q-sac 30. Qxh7 Kxh7 31. Rh5#
Jan-23-17  whiteshark: Can you hear Black crying out loudly afterwards?
Jan-23-17
Premium Chessgames Member
  Sally Simpson: A demonstration of Centralisation capped off with a Queen sac. Here.


click for larger view

Who would not play the obvious 27.Re7 but the demonstration could have been stamped with 27.Rd4 or 27.Re4. The fact both Rook moves work shows the mess have Black got themselves into.

Which Rook? It has to be 27.Re4 blocking the Bishop. 27.Re4 g5 28.Qxh7+ Kxh7 29.Rh4 double check and mate.

Jan-23-17  et1: they are so young !
Jan-23-17  thegoodanarchist: It's a Pun day Muzzle!
Jan-23-17  kb2ct: Just because today's problem is cooked with two different mates in two does not mean that it is usless.

If the position arose in a team game, I suspect a team would overwhrlimgly vote for 30. Qxh7+ over 30. Rh5 on the basis of aesthetics since 20. Q h7+ is more forcing, prettier and purer than 30. Rh5

:0)

Jan-23-17  Eduardo Leon: <Sally Simpson> For some fun: 27.♖d4 ♕e5 28.♖h4 (sorry, gotta checkmate, have no time to capture you!) 28...♕xe1+ 29.♔h2 ♕e5+ 30.g3. That's how bad black's position is.
Jan-23-17
Premium Chessgames Member
  Tabanus: If I was Black and it was my turn, I could try ...Ne5 Rxe5 Rce8 Rh5 Re1+ Kh2 Rh1+ Kxh1 a6 Qxh7# to delay it as long as possible.

Or are there better tries?

Jan-23-17
Premium Chessgames Member
  paulalbert: Went for the Q sac in a microsecond; did not even look at the other possibilities.

I lost in a simul to GM Walter Browne with a similar motif of the pin by the white squared bishop which I had forgotten about, but on the a2-g8 diagonal. The B was sitting on a2 behind the a3 pawn for so long during the game I had forgotten about it. Walter played Qxg6 and I suddenly realized fxQg6 was illegal so I resigned immediately. Of course, realistically I had no chance against Walter even without the immediate tactical denouement.

Jan-23-17
Premium Chessgames Member
  PawnSac: < from the Pan to the file >
Jan-23-17
Premium Chessgames Member
  PawnSac: < whiteshark: Can you hear Black crying out loudly afterwards? >

probably ran for his mommy. He was only 11 yrs old

Jan-23-17  minasina: <<PawnSac: < whiteshark: Can you hear Black crying out loudly afterwards? > probably ran for his mommy. He was only 11 yrs ol>>

Not 11 years. Born 2006, played 2016. Max 10 years.

Jan-23-17  TheTamale: This is a great Monday puzzle. OTB, people like me would be harping on how to effect mate on g7. Here instead, Pan steps just a wee bit outside of the box. Easy puzzle to solve, but a move that would escape me in an actual game.
Jan-23-17  stst: Monday Q-sac as usual:

30.Qxh7+ KxQ (forced)
31.Rh5+ thanks to the B@c3 pin, gxR is illegal, and the Black K cannot retreat to g7, hacked by P@f6.

Jan-23-17  ChessHigherCat: I'm so conditioned to look for a Q sac on Mondays that I thought "Qxh7" and only then looked for the bishop that allowed Rh5#
Jan-23-17  kevin86: White takes advantage of the pin to mate with the rook.
Jan-23-17  drollere: interesting trick, forcing the king to create a pin on the defending pawn.

<20. Qh7+ is more forcing, prettier and purer than 30. Rh5>

they're both the first move of a mate in two. doesn't get any purer than that.

Jan-23-17  Pyrandus: Congratulations.
Jan-23-17
Premium Chessgames Member
  Bubo bubo: The obvious and Monday-ish solution is 30.Qxh7+ Kxh7 31.Rh5#, but it also works the other way round: after 30.Rh5 Black cannot avoid mate on h7 (30...gxh5 31.Qxh7#) or g7 (30...Rg7 31.Qxg7#).
Jan-23-17  MaczynskiPratten: Qxh7+ is more spectacular, but Rh5 maybe more sadistic as it lets Black look desperately for some way out. To no avail.
Jan-23-17  morfishine: <30.Qxh7+> followed by mate next move <31.Rh5#> taking advantage of the pin on the g-pawn

*****

Jan-23-17
Premium Chessgames Member
  Sally Simpson: It must be an under 12 thing.

This position is from the same under 12 tournament.

Bayartnar Erkhes vs Timothe Razafindratsima, 2016

White to play


click for larger view

and this is todays POTD (White to play)


click for larger view

Jan-23-17  TheBish: White to move and win (30.?) "Very Easy"

30. Anything... you're already winning! Haha, of course I saw the move instantly, don't have to look too hard to find the queen sac for the quick mate.

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